Practice Objective(s) - 1 | Lab Module 7: Layout Design and Verification of Basic Combinational CMOS Logic Gates | VLSI Design Lab
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the primary function of a Design Rule Check (DRC)?

💡 Hint: Think about the rules we need to follow before manufacturing.

Question 2

Easy

What does LVS stand for?

💡 Hint: Consider what this check compares in the design process.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the function of a NAND gate?

  • Outputs 1 when both inputs are 0
  • Outputs 0 when both inputs are 1
  • Outputs high only when both inputs are high

💡 Hint: Recall the truth table for a NAND gate.

Question 2

True or False: The layout for NAND and NOR gates requires different design rule considerations.

  • True
  • False

💡 Hint: Think about how their transistor configurations differ.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a layout for a more complex gate like XOR, ensuring all design rules are adhered to and that common-centroid techniques are applied.

💡 Hint: Consider how the layout would differ in complexity compared to NAND/NOR.

Question 2

Critically analyze the propagation delays obtained from pre-layout and post-layout simulations. Discuss how variations in parasitics influenced these delays.

💡 Hint: Look at different conditions in the layout that could affect performance.

Challenge and get performance evaluation